Yes, your client is correct. With analogue lines you can send "date and time" and other information like the Caller ID. There are two types of messages that can be sent, SDMF and MDMF. http://melabs.com/resources/callerid.htm http://en.wikipedia.org/wiki/Caller_ID It is better to disable this feature (if possible) or to sync the Adtran to an NTP sync (if possible) Leandro 2010/6/25 Jim Gurol <jim at californiatelecom.com>
Hello,
I have a strange problem, I can't seem to understand. Maybe someone knows the answer.
A customer of mine has a Panasonic KXT phone system and I provide phone service via Adtran 908e analog trunks (not PRI).
He claims ever since he switched providers, that his phone system date/time stamp has been off (says November, 4am). His phone system guy called me and asked if I was "sending" time over the analog lines. I am unfamiliar with analog phone lines sending a date/time stamp, but I am sort of new to this game. Is this possible?
They said they are able to configure the phone system to proper time, but then when calls come in, the date/time changes back .
I just checked the clock on the Adtran and indeed it says:
Adtran#show clock 04:26:42 UTC Sat Nov 28 2009
So it appears I am wrong. Analog lines do send date/time ???
Jim
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